guile-gnome, devel: fix scm_c_gparam_construct

[David Pirotte]

Hello,

        guile-gnome,
          devel:
            fix scm_c_gparam_construct

Patch review solicited.

Thanks,
David

>From 1ded9f737d258afbb53f2f2fcfde6766da23bbb6 Mon Sep 17 00:00:00 2001
From: David PIROTTE <da...@altosw.be>
Date: Thu, 15 May 2014 11:33:13 -0300
Subject: [PATCH 6/6] fix scm_c_gparam_construct

* glib/gnome/gobject/gparameter.c: argument 4 of g_param_spec_gtyped
  must be a GType, not a SCM type.
---
 glib/gnome/gobject/gparameter.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/glib/gnome/gobject/gparameter.c b/glib/gnome/gobject/gparameter.c
index 52d1700..d2a24ce 100644
--- a/glib/gnome/gobject/gparameter.c
+++ b/glib/gnome/gobject/gparameter.c
@@ -242,7 +242,7 @@ scm_c_gparam_construct (SCM instance, SCM initargs)
 {
     GParamSpec *pspec = NULL;
     GParamFlags flags;
-    GType param_type;
+    GType param_type, param_gtype;
     char *name, *nick, *blurb;
 
     param_type = scm_c_gtype_class_to_gtype (scm_class_of (instance));
@@ -402,8 +402,10 @@ scm_c_gparam_construct (SCM instance, SCM initargs)
     else if (param_type == G_TYPE_PARAM_GTYPE) {
         SCM type = REF (is_a_type);
         if (scm_is_true (type))
-            type = scm_c_gtype_class_to_gtype (type);
-        pspec = g_param_spec_gtype (name, nick, blurb, type, flags);
+	    param_gtype = scm_c_gtype_class_to_gtype (type);
+	else
+	    param_gtype = G_TYPE_NONE;
+        pspec = g_param_spec_gtype (name, nick, blurb, param_gtype, flags);
     }
     else {
         scm_c_gruntime_error ("%gparam-construct",
-- 
2.0.0.rc0